/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineTurnBasedInterface.h
Set a delegate to be called when matchmaking succeeds, fails, or is canceled.
virtual void SetMatchmakerDelegate ( [FTurnBasedMatchmakerDelegatePtr](API\Plugins\OnlineSubsystem\Interfaces\FTurnBasedMatchmakerDelegatePtr) Delegate )